CVE-2015-6818 | BDVDB-2026-71479 Detail

Description#

The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

http://www.ubuntu.com/usn/USN-2944-1
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
http://www.securitytracker.com/id/1033483
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=47f4e2d8960ca756ca153ab8e3e93d80449b8c91
http://ffmpeg.org/security.html

Exploit#

No public exploit known

History#

Version 12015-09-06Record published in the CVE List.
Version 22024-08-06Most recent update recorded in the CVE List.